Incredible lot of 1861-69 shades of the 24c arranged on early hand-made album pages. Neatly written up by Lester G. Brookman some time during the early 20th century. Lovely reference material and a unique opportunity. The item “US 1861-69 24c used shade study complete with Steel gray #70b Cat $28,000″ is in sale since Monday, February 20, 2017. This item is in the category “Stamps\United States\19th Century\ Used”. The seller is “collect04″ and is located in Cardiff by the Sea, California. This item can be shipped worldwide.